Stockholders' Equity - Common Stock Outstanding (Details) - USD ($)	3 Months Ended		6 Months Ended	9 Months Ended
	May 31, 2023	May 31, 2022	Feb. 28, 2023	May 31, 2023	May 31, 2022	Sep. 30, 2022	Jul. 31, 2021
Common stock outstanding:
Common stock outstanding, beginning balances (in shares)			135,493,980	135,493,980
Common stock outstanding, ending balance (in shares)	131,351,864			131,351,864
2022 Share Repurchase Program
Common stock outstanding:
Share repurchase program, amount authorized							$ 1,000,000,000
Number of shares repurchased (in shares)			16,500,000
Value of shares repurchased			$ 1,000,000,000
Share repurchase program, remaining amount available			$ 0
2023 Share Repurchase Program
Common stock outstanding:
Share repurchase program, amount authorized						$ 1,000,000,000
Number of shares repurchased (in shares)				2,200,000
Value of shares repurchased				$ 179,000,000
Share repurchase program, remaining amount available	$ 821,000,000			$ 821,000,000
Common stock:
Common stock outstanding:
Common stock outstanding, beginning balances (in shares)	133,238,368	142,392,135	135,493,980	135,493,980	144,496,077
Shares issued under employee stock purchase plan (in shares)	1,730	1,686		631,066	522,169
Vesting of restricted stock (in shares)	3,372	13,609		2,013,768	2,467,324
Purchases of treasury stock under employee stock plans (in shares)	(700)	(3,766)		(571,349)	(704,040)
Treasury shares purchased (in shares)	(1,890,906)	(3,552,475)		(6,215,601)	(7,930,341)
Common stock outstanding, ending balance (in shares)	131,351,864	138,851,189	133,238,368	131,351,864	138,851,189